Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-16-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
Accessing system settings> in the application stylo> window decoration

-- Backtrace:
Application: Configurações do Sistema (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa03431f780 (LWP 4892))]

Thread 5 (Thread 0x7fa021b28700 (LWP 4893)):
#0  0x00007fa030a948dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fa02edaeb72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fa02edb064f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fa0248ed099 in QXcbEventReader::run (this=0xe7fa90) at qxcbconnection.cpp:1105
#4  0x00007fa031115b0e in QThreadPrivate::start (arg=0xe7fa90) at thread/qthread_unix.cpp:337
#5  0x00007fa02dcc86aa in start_thread (arg=0x7fa021b28700) at pthread_create.c:333
#6  0x00007fa030a9feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fa013c76700 (LWP 4895)):
#0  0x00007fa030a948dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fa02d7a9ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa02d7aa242 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa01b3f5ae6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fa02d7d0955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa02dcc86aa in start_thread (arg=0x7fa013c76700) at pthread_create.c:333
#6  0x00007fa030a9feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fa013475700 (LWP 4896)):
#0  0x00007fa030a948dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fa02d7a9ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa02d7a9fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa02d7aa009 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa02d7d0955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa02dcc86aa in start_thread (arg=0x7fa013475700) at pthread_create.c:333
#6  0x00007fa030a9feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f9febfff700 (LWP 4908)):
#0  0x00007fa02d7ee789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa02d7a9409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa02d7a9de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa02d7a9fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa0313acc6c in QEventDispatcherGlib::processEvents (this=0x7f9fe00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fa0313513e2 in QEventLoop::exec (this=this@entry=0x7f9febffee40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fa031110b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fa031115b0e in QThreadPrivate::start (arg=0x14cb4c0) at thread/qthread_unix.cpp:337
#8  0x00007fa02dcc86aa in start_thread (arg=0x7f9febfff700) at pthread_create.c:333
#9  0x00007fa030a9feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fa03431f780 (LWP 4892)):
[KCrash Handler]
#6  0x00007fa02fffcf97 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fa02ffa7151 in QV4::ExecutionEngine::~ExecutionEngine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fa0300df0d5 in QV8Engine::~QV8Engine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fa0300df2b9 in QV8Engine::~QV8Engine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fa02ff44061 in QJSEngine::~QJSEngine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007fa0300413c5 in QQmlEngine::~QQmlEngine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007fa030041499 in QQmlEngine::~QQmlEngine() () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f9ff4671be2 in cleanup (pointer=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:54
#14 reset (other=0x0, this=0x7f9ff48ff6c8 <Aurorae::Helper::instance()::s_helper+8>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:149
#15 Aurorae::Helper::unref (this=0x7f9ff48ff6c0 <Aurorae::Helper::instance()::s_helper>) at ../../../../clients/aurorae/src/aurorae.cpp:119
#16 0x00007f9ff4675908 in unref (this=<optimized out>) at ../../../../clients/aurorae/src/aurorae.cpp:273
#17 Aurorae::Decoration::~Decoration (this=0x2c16710, __in_chrg=<optimized out>) at ../../../../clients/aurorae/src/aurorae.cpp:267
#18 0x00007f9ff4675929 in Aurorae::Decoration::~Decoration (this=0x2c16710, __in_chrg=<optimized out>) at ../../../../clients/aurorae/src/aurorae.cpp:280
#19 0x00007fa031385778 in QObject::event (this=0x2c16710, e=<optimized out>) at kernel/qobject.cpp:1236
#20 0x00007fa03213fb2c in QApplicationPrivate::notify_helper (this=0xe52550, receiver=0x2c16710, e=0x2ad3f40) at kernel/qapplication.cpp:3720
#21 0x00007fa032145000 in QApplication::notify (this=0x7fff671fcde0, receiver=0x2c16710, e=0x2ad3f40) at kernel/qapplication.cpp:3503
#22 0x00007fa031353c2b in QCoreApplication::notifyInternal (this=0x7fff671fcde0, receiver=0x2c16710, event=event@entry=0x2ad3f40) at kernel/qcoreapplication.cpp:935
#23 0x00007fa031355c9b in sendEvent (event=0x2ad3f40, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#24 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xe51770) at kernel/qcoreapplication.cpp:1552
#25 0x00007fa031356298 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#26 0x00007fa0313ac843 in postEventSourceDispatch (s=0xf03de0) at kernel/qeventdispatcher_glib.cpp:271
#27 0x00007fa02d7a9c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fa02d7a9f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fa02d7a9fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fa0313acc57 in QEventDispatcherGlib::processEvents (this=0xf27b50, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#31 0x00007fa0313513e2 in QEventLoop::exec (this=this@entry=0x7fff671fccc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#32 0x00007fa03135902c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#33 0x00007fa031b7a31c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#34 0x00007fa03213b7a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#35 0x000000000040eebc in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:54

Reported using DrKonqi